/Engine/Source/Runtime/Core/Public/Math/GenericOctree.h
This function will traverse the Octree using a fast box-box intersection and aborts traversal as soon as the Element function returns false.
template<typename IterateBoundsFunc> void FindFirstElementWithBoundsTest ( const [FBoxCenterAndExtent](API\Runtime\Core\Math\FBoxCenterAndExtent) & BoxBounds, const IterateBoundsFunc & Func ) const